Use the same values as in the example for the rest of the parameters. Compile and run the simulation. Visualize the packet trace file with Wireshark. Confirm and show images of packet trace results.

"#include "ns3/applications-module.h" #include "ns3/core-module.h" #include "ns3/internet-module.h" #include "ns3/network-module.h" #include "ns3/point-to-point-module.h"

// Default Network Topology // // 10.1.1.0 // n0 -------------- n1 // point-to-point //

using namespace ns3;

NS_LOG_COMPONENT_DEFINE("FirstScriptExample");

int main(int argc, char* argv[]) { CommandLine cmd(__FILE__); cmd.Parse(argc, argv);

Time::SetResolution(Time::NS); LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO); LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);

NodeContainer nodes; nodes.Create(2);

PointToPointHelper pointToPoint; pointToPoint.SetDeviceAttribute("DataRate", StringValue("5Mbps")); pointToPoint.SetChannelAttribute("Delay", StringValue("2ms"));

NetDeviceContainer devices; devices = pointToPoint.Install(nodes);

InternetStackHelper stack; stack.Install(nodes);

Ipv4AddressHelper address; address.SetBase("10.1.1.0", "255.255.255.0");

Ipv4InterfaceContainer interfaces = address.Assign(devices);

UdpEchoServerHelper echoServer(9);

ApplicationContainer serverApps = echoServer.Install(nodes.Get(1)); serverApps.Start(Seconds(1.0)); serverApps.Stop(Seconds(10.0));

UdpEchoClientHelper echoClient(interfaces.GetAddress(1), 9); echoClient.SetAttribute("MaxPackets", UintegerValue(1)); echoClient.SetAttribute("Interval", TimeValue(Seconds(1.0))); echoClient.SetAttribute("PacketSize", UintegerValue(1024));

ApplicationContainer clientApps = echoClient.Install(nodes.Get(0)); clientApps.Start(Seconds(2.0)); clientApps.Stop(Seconds(10.0));

 Simulator::Run();  Simulator::Destroy();  return 0; } " Use C++ to Modify the Ns3 code above to simulate the following network:  2 nodes o 1 network interface at each node  Point-to-point link: o Data Rate: 10 Mbps o Delay: 2 ms  IP address assignment: o 192.168.2.0/24  Application: o UDP Echo Server on port 63 o Packet size: 256 bytes